‘Congress will be taking action’: key takeaways from the Facebook whistleblower hearing

Frances Haugen's testimony spotlighted the negative effects of social media's impact on children and called for regulation of the company

The Facebook whistleblower, Frances Haugen, testified before the US Congress on Tuesday, painting a dire picture of the tech giant's policies.

Haugen's appearance in front of the US Senate is just the latest high-profile hearing on big tech, but it proved a substantive and insightful session that is sure to have a lasting impact.